1uyc | pdb_00001uyc

HUMAN HSP90-ALPHA WITH 9-BUTYL-8-(2,5-DIMETHOXY-BENZYL)-9H-PURIN-6-YLAMINE

spinqualitylabelsall models 1uyc, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1uyc is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: PU7 Related: 1byq, 1osf, 1yer, 1yes, 1yet, 1uy6, 1uy7, 1uy8, 1uy9, 1uyd, 1uye, 1uyf, 1uyg, 1uyh, 1uyi, 1uyk, 1uyl, 1uym Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Inhibition of the ATPase activity of the chaperone protein HSP90 is a potential strategy for treatment of cancers. We have determined structures of the HSP90alpha N-terminal domain complexed with the purine-based inhibitor, PU3, and analogs with enhanced potency both in enzyme and cell-based assays. The compounds induce upregulation of HSP70 and downregulation of the known HSP90 client proteins Raf-1, CDK4, and ErbB2, confirming that the molecules inhibit cell growth by a mechanism dependent on HSP90 inhibition. We have also determined the first structure of the N-terminal domain of HSP90beta, complexed with PU3. The structures allow a detailed rationale to be developed for the observed affinity of the PU3 class of compounds for HSP90 and also provide a structural framework for design of compounds with improved binding affinity and drug-like properties. Structure-activity relationships in purine-based inhibitor binding to HSP90 isoforms.,Wright L, Barril X, Dymock B, Sheridan L, Surgenor A, Beswick M, Drysdale M, Collier A, Massey A, Davies N, Fink A, Fromont C, Aherne W, Boxall K, Sharp S, Workman P, Hubbard RE Chem Biol. 2004 Jun;11(6):775-85. PMID:15217611 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Heat Shock Proteins

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